| Vendor | Spec | Unit | Price | Currency | Date |
| Unknown | China national standards | MT | 7730.0 | USD | 20180423 |
| Unknown | China national standards | MT | 7230.0 | USD | 20180422 |
| Unknown | China national standards | MT | 7320.0 | USD | 20180422 |
| Unknown | China national standards | MT | 1140.0 | USD | 20180421 |
| Unknown | China national standards | MT | 7350.0 | USD | 20180421 |
| Unknown | China national standards | MT | 7200.0 | USD | 20180420 |
| Unknown | China national standards | MT | 1160.0 | USD | 20180419 |
| Unknown | China national standards | MT | 1220.0 | USD | 20180419 |
| Unknown | China national standards | MT | 1090.0 | USD | 20180419 |
| Unknown | China national standards | MT | 7770.0 | USD | 20180417 |